Reading Smoke: Backdraft - Recognizing backdraft conditions can save your life
(U.S. Fire Administration - Coffee Break Bulletin | May 19, 2020)
"This is the second bulletin in a two-part series on flashover and backdraft. In Part 2: Backdraft, you will learn why situational awareness is critical for recognizing when potential backdraft conditions exist.
Learning to recognize when backdraft conditions exist can save your life.
A backdraft is an air-driven event, unlike a flashover, which is thermally driven. Backdraft is usually defined as a deflagration resulting from the sudden introduction of oxygen into a ventilation-limited space containing unburned fuel and gases.